XML 22 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6
PROPERTY (Tables)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Schedule of other items related to property [Text Block]
In millions
2012

2011

2010

Depreciation expense
$
217

$
236

$
248

Manufacturing maintenance and repair costs
$
324

$
280

$
244

Capitalized interest
$
8

$
6

$
5

Schedule of property
Property at December 31
Estimated

 
 
In millions
Useful Lives(Years)

2012

2011

Land

$
50

$
50

Land and waterway improvements
15-25

202

198

Buildings
5-50

412

415

Machinery and equipment
3-20

5,915

5,772

Utility and supply lines
5-20

153

142

Other property
3-30

285

349

Construction in progress

194

173

Total property

$
7,211

$
7,099